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Abstract£ºIn the past 20 years £¬Therapid development of energy saving renovation in thermal power generation. Aconsiderable part of the fans and pumps have been completed the transformationof energy saving work. At present £¬comprehensive upgrading of China's coal fired units has entered ¡°profundal zone¡±. Applicationof SBH inverter in boiler feed pump of large coal fired units hasbeen introduced in this paper. Put forward new ideas for energy saving renovationof frequency conversion in boiler feed water pump.

Key words: Large coal fired units; Feed pump;High Voltage Inverter; Energy saving renovation

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